Finding the Fourth Proportional to 149,588.15, 224,380.50 and 42,974.72

Step by Step Solution

1. Step 1: Write the proportion equation
   149,588.15 : 224,380.50 = 42,974.72 : x
2. Step 2: Convert to fraction form
   149,588.15/224,380.50 = 42,974.72/x
3. Step 3: Cross multiply
   149,588.15x = 224,380.50 × 42,974.72
4. Step 4: Simplify right side
   149,588.15x = 9,642,688,039.06
5. Step 5: Solve for x
   x = 9,642,688,039.06/149,588.15
6. Step 6: Final answer
   x = 64,461.58